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Finding the Fourth Proportional to 292,661.96, 438,947.04 and 92,956.01

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Solution

The fourth proportional to 292,661.96, 438,947.04 and 92,956.01 is: 139,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,661.96 : 438,947.04 = 92,956.01 : x
  2. Step 2: Convert to fraction form
    292,661.96/438,947.04 = 92,956.01/x
  3. Step 3: Cross multiply
    292,661.96x = 438,947.04 × 92,956.01
  4. Step 4: Simplify right side
    292,661.96x = 40,802,765,439.71
  5. Step 5: Solve for x
    x = 40,802,765,439.71/292,661.96
  6. Step 6: Final answer
    x = 139,419.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.